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  1. . 

    Lead acetate test in sewer manhole is done to test the presence of
    2. A.
    Methane gas
    B.

    Hydrogen sulphide
    C.
    Carbondioxide gas
    D.

    Diesel vapours.

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    Workspace

    View Answer

    Answer : Option B

    Explanation :

    No answer description available for this question.

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